Preparation and Properties of Fluorenylidene(phenyl)phosphines Bearing Bulky Groups with Electron-Donating Substituents in the Ortho Position on the Phenyl Group
作者:Subaru Kawasaki、Takuma Fujita、Kozo Toyota、Masaaki Yoshifuji
DOI:10.1246/bcsj.78.1082
日期:2005.6
Fluorenylidene(phenyl)phosphines having bulky substituents with an electron-donating group in the o-position on the phenyl group were prepared and their properties were compared. The prepared materials included 2,4-di-t-butyl-6-methoxyphenyl, 2,4-di-t-butyl-6-(phenoxymethyl)phenyl, 2,4-di-t-butyl-6-(dimethylamino)phenyl, or 2,4-di-t-butyl-6-(2-phenylethyl)phenyl. The diphosphenes and dithioxophosphoranes
制备了在苯基的邻位具有给电子基团的具有庞大取代基的亚氟亚基(苯基)膦,并比较了它们的性质。制备的材料包括2,4-二叔丁基-6-甲氧基苯基、2,4-二叔丁基-6-(苯氧基甲基)苯基、2,4-二叔丁基-6-(二甲氨基)苯基,或 2,4-二叔丁基-6-(2-苯基乙基)苯基。通过3 1 PNMR光谱观察到形成的带有2,4-二-叔丁基-6-(苯氧基甲基)苯基的二膦和二硫代正膦;讨论了取代基对这些多重键合磷物质的影响。